Given are four sentences on a topic. Some sentences are grammatically incorrect or inappropriate. Select the option that indicates the grammatically correct and appropriate sentence(s).
A. Large parts of Asia is often prone to flooding, but this year the rains have come earlier and more downfalls are expected in September.
B. Since mid-July, more than 900 people have died in eastern India, Nepal and Bangladesh after heavy monsoon rains caused widespread flooding and landslides.
C. A similar number is reported to have been killed in China.
D. As ever with floods in poor countries, many of the victims have died from disease.